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CIDR
/20 · 4.1K IPs
ASN
SK Telecom
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 42.36.16.183

CIDR range
42.36.16.0/20
IP range (int)
707,006,464 — 707,010,559
Prefix length
/20
Organization
SK Telecom
ASN
AS9644
ASN name
SK Telecom
Location
Gwangju, Gyeonggi Do, South Korea
Coordinates
37.410300, 127.263200
Accuracy radius
20 km
Postal code
128
Regional Internet Registry
APNIC
Allocated
2011-01-28
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-21 04:04:49

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
8,981
Last seen
2026-07-23 13:32:36

Frequently Asked Questions

Who owns 42.36.16.183?

42.36.16.183 is allocated to SK Telecom (AS9644), registered in Gwangju, South Korea.

Where is 42.36.16.183 located?

The geolocation for 42.36.16.183 maps to Gwangju, South Korea based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 42.36.16.183 on?

42.36.16.183 belongs to the 42.36.16.0/20 network block announced by AS9644. This range contains 4,096 addresses.

Does 42.36.16.183 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-23 13:48:07 UTC
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